Home / 347,328,020.60-520,992,030.90-211,055,175.80

Finding the Fourth Proportional to 347,328,020.60, 520,992,030.90 and 211,055,175.80

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Solution

The fourth proportional to 347,328,020.60, 520,992,030.90 and 211,055,175.80 is: 316,582,763.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,328,020.60 : 520,992,030.90 = 211,055,175.80 : x
  2. Step 2: Convert to fraction form
    347,328,020.60/520,992,030.90 = 211,055,175.80/x
  3. Step 3: Cross multiply
    347,328,020.60x = 520,992,030.90 × 211,055,175.80
  4. Step 4: Simplify right side
    347,328,020.60x = 109,958,064,671,998,528
  5. Step 5: Solve for x
    x = 109,958,064,671,998,528/347,328,020.60
  6. Step 6: Final answer
    x = 316,582,763.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.